September 2000
Beginner
152 pages
8h 26m
English
IT’S EASY to learn all sixteen 4-bit binary numbers (0000–1111), but can you think in binary? The growing popularity and importance of programmable logic makes the ability to “think binary” very helpful to those who wish to exploit as fully as possible the various tricks and shortcuts made possible by binary number manipulations.
The circuit described here provides a painless way to help learn to “think binary.” It’s a HI-LO game that uses binary instead of decimal numbers. For consistently good scores, you must know and be able to manipulate binary nibbles.
In operation, the 555 generates a rapid stream of clock pulses at a rate determined by the values of R1 and C1. When normally ...
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